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Part of the Omron NX-Series Safety & I/O series — see the full model table, lifecycle status and replacement parts.

Omron NX-ID4442 — front face of the 8-point NX digital input unit showing the row of 8 green input-status LEDs at the top, the TS indicator, the lower 16-terminal detachable screwless push-in connector with orange release lever and the NX-ID4442 type label

Omron NX-ID4442 — 8-Point PNP Digital Input, 12 mm

SKU: NX-ID4442

USD 55.50

Omron NX-ID4442 NX digital input, 8 PNP at 24 VDC, 20 us response, 12 mm wide. In stock, China shipping.

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Product Overview

The Omron NX-ID4442 is a digital input unit from the NX-series I/O family, manufactured by Omron Corporation. Hengyixin Automation stocks this I/O expansion unit in Xiamen and ships within 3-5 business days to most Asian, European, and North American ports. Specifications on this page were checked against Omron's NX-series I/O System brochure (R183).

The unit provides 8 PNP digital inputs at 24 VDC (15 to 28.8 VDC) on a single 16-terminal screwless push-in connector. Input current is 3.5 mA typical per point. ON voltage 15 VDC min, ON current 3 mA min; OFF voltage 5 VDC max, OFF current 1 mA max. Response times are 20 us ON, 400 us OFF.

Refresh method is selectable between synchronous and free-run. Input filter is configurable from no filter to 256 ms in 13 steps, 1 ms factory setting. Photocoupler isolation separates inputs from the NX bus. I/O power is supplied from the NX bus at 0.1 A per IOV terminal. For the NPN sibling, pick the NX-ID4342; for 16 PNP points, the NX-ID5442. Programming is in Sysmac Studio.

Key Features

  • NX-series digital input unit, 8 PNP points at 24 VDC (15 to 28.8 VDC), 3.5 mA per point typical
  • 20 us ON / 400 us OFF response, configurable input filter from no filter to 256 ms (1 ms factory setting)
  • Selectable synchronous I/O or free-run refreshing, photocoupler isolation between input and NX bus
  • Single 16-terminal detachable screwless push-in connector, 12 mm wide, IP20, 65 g
  • SKU: NX-ID4442
  • Series: Omron NX-series digital input unit
  • Voltage: 24 VDC
  • I/O: 8 I/O

Best-Fit Applications

  • Conveyor sensor bank where 8 PNP photoeyes wire into one slim 12 mm module and the 20 us ON response catches small parts
  • Spare replacement on a packaging line where an older wide terminal block has been replaced with the slimmer NX-ID4442 to save DIN-rail space
  • Cell safety I/O where the NX-ID4442 handles non-safety status inputs alongside an NX-SID800 safety input module on the same NX bus

Buying Checklist

  • Pick the NX-ID4442 for an 8-point PNP 24 VDC digital input unit in the slimmest 12 mm NX body.
  • Pick the NX-ID4342 instead when the field sensors are NPN (sinking) rather than PNP (sourcing).
  • Pick the NX-ID5442 instead when the panel needs 16 PNP points in a 24 mm wide housing.

Technical Specifications

Manufacturer Omron Corporation (Japan)
Series Omron NX-series digital input unit
Model / SKU NX-ID4442
Number of Points 8 digital inputs, PNP internal common
Rated Input Voltage 24 VDC (15 to 28.8 VDC)
Input Current 3.5 mA typical at 24 VDC
ON / OFF Threshold ON 15 VDC min / 3 mA min, OFF 5 VDC max / 1 mA max
ON / OFF Response 20 us max ON, 400 us max OFF
Input Filter No filter, 0.25, 0.5, 1 (factory), 2, 4, 8, 16, 32, 64, 128, 256 ms
I/O Refreshing Selectable synchronous I/O or free-run refreshing
Connection 16-terminal detachable screwless push-in connector, 2-wire
Isolation / Environment Photocoupler isolation, 510 VAC dielectric, 0.90 W max on CPU, 12 (W) x 100 (H) x 71 (D) mm, 65 g

Manufacturer documentation

Omron's own product page, where the manufacturer's current specification and lifecycle information are published. We are an independent distributor and cannot mirror those documents; the link goes to Omron's site.

FAQ for NX-ID4442

What sensors work with the NX-ID4442?
Any 24 VDC PNP (sourcing) sensor, including photoeyes, proximity sensors, limit switches, and pushbuttons. ON voltage 15 VDC min and ON current 3 mA min are the minimum thresholds. NPN sensors need the NX-ID4342 sibling.
Does the NX-ID4442 support synchronous I/O refreshing?
Yes. The refresh method is selectable between synchronous I/O refreshing (locked to the NX bus cycle) and free-run refreshing (immediate). Use synchronous for high-speed deterministic control and free-run for slower status inputs.
What is the input filter on the NX-ID4442?
13 settings from no filter to 256 ms, with 1 ms as the factory setting. Filter is set per point in Sysmac Studio. Longer filters reject contact bounce but add input latency.
NX-ID4442 vs NX-ID3417 - what is the difference?
NX-ID4442 is 8 PNP points in 12 mm at standard speed. NX-ID3417 is 4 PNP points in 12 mm with high-speed 100 ns response for registration / encoder inputs. Pick the 3417 for fast signals and the 4442 for normal status inputs.
Does the NX-ID4442 need a separate power supply?
No. I/O power is supplied from the NX bus at 0.1 A per IOV terminal. The unit draws 0.90 W max from the CPU or 0.50 W max from a coupler.

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